Service bulletins for the 2016 Honda Pilot
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
365 on file from NHTSA, as of 2026-10-19.
About B121E on the 2016 Honda Pilot: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B121E are shown. Show all
| 150901 | 2022-05-09. Service bulletin. EQUIPMENT:ELECTRICAL. This article replaces the one posted in December 2015 to extend the article?s shelf life. The issues covered are still being addressed. Are you reading a DTC B121E (climate control unit lost communication with touch control panel) on the HDS and you can?t find anything in the service information to help you troubleshoot it? Just use the troubleshooting procedure for DTC U0180 (lost communication with auto L/T); it?s the one you want. |
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| A16030 | 2021-12-13. Service bulletin. EQUIPMENT. Service Bulletin - Service Manual Update: DTC B121E - The service information is missing the troubleshooting procedures for DTC B121E climate control lunit lost communication with touch control panel DTC B121E was mistakenly assigned to this vehicle and dos not apply. For troulbleshooting, use the procledures for DTC U0180 LOST LCOMMUNICATION WITH AUTOMATIC LIGHTING CONTROL UNIT/SENSOR |
| ATS-150901 V3 | 2021-05-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Are you reading a DTC B121E (climate control unit lost communication with touch control panel) on the HDS and you can’t find anything in the service information to help you troubleshoot it? Just use the troubleshooting procedure for DTC U0180 (lost communication with auto L/T); it’s the one you want. DTC B121E was mistakenly assigned to this vehicle and really doesn’t apply. We’ll be revising the DTC U0180 troubleshooting procedure to include DTC B121E. |
| ATS150901 | 2017-05-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. "TECHLINE SUMMARY ARTICLE - EDITOR’S NOTE: THIS ARTICLE REPLACES THE ONE POSTED IN SEPTEMBER 2015 TO EXTEND THAT ARTICLE’S SHELF LIFE. THE ISSUES COVERED ARE STILL BEING ADDRESSED. ARE YOU READING A DTC B121E (CLIMATE CONTROL UNIT LOST COMMUNICATION WITH TOUCH CONTROL PANEL) ON THE HDS AND YOU CAN’T FIND ANYTHING IN THE SERVICE INFORMATION TO HELP YOU TROUBLESHOOT IT? JUST USE THE TROUBLESHOOTING PROCEDURE FOR DTC U0180 (LOST COMMUNICATION WITH AUTO L/T); IT’S THE ONE YOU WANT." |
| A16-030 | 2017-01-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SERVICE BULLETIN - THE SERVICE INFORMATION IS MISSING THE TROUBLESHOOTING PROCEDURES FOR DTC B121E (CLIMATE CONTROL UNIT LOST COMMUNICATION WITH TOUCH CONTROL PANEL). DTC B121E WAS MISTAKENLY ASSIGNED TO THIS VEHICLE AND DOES NOT APPLY. FOR TROUBLESHOOTING, USE THE PROCEDURES FOR DTC U0180 (LOST COMMUNICATION WITH AUTOMATIC LIGHTING CONTROL UNIT/SENSOR). |
| ATS150901 | 2017-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. TECHLINE SUMMARY ARTICLE - ARE YOU READING A DTC B121E (CLIMATE CONTROL UNIT LOST COMMUNICATION WITH TOUCH CONTROL PANEL) ON THE HDS AND YOU CAN’T FIND ANYTHING IN THE SERVICE INFORMATION TO HELP YOU TROUBLESHOOT IT? JUST USE THE TROUBLESHOOTING PROCEDURE FOR DTC U0180 (LOST COMMUNICATION WITH AUTO L/T); IT’S THE ONE YOU WANT. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.